Adding and Subtracting rational Numbers

What's a way to define absolute value?

• The value of a number
• The opposite of a number
• The distance of a number from zero
• The multiplicative inverse of a number

Tags

CCSS.6.NS.C.7C

When adding rational numbers with the same sign, you must:

• Subtract and keep the sign of the biggest number

• Add together and keep the sign

• Keep, change, switch

• Add the opposite

Tags

CCSS.7.NS.A.1C

Which equation describes the picture?

• (-4) + (-6) = (-10)

• (-4) + 0 = (-10)

• 0 - (4) = (-10)

• 0 - (-4) = (-10)

• -4 - 6 = 10

Tags

CCSS.7.NS.A.1B

Select all of the following that show the correct equation for the picture given.

• 0 - 9 - 2 = -11

• (-9) + (-2) = (-11)

• 0 - (-9) - (-2) = (-11)

• (-9) + 2 = (-11)

• 0 + 9 + 2 = 11

Tags

CCSS.7.NS.A.1B

 $-2\frac{1}{12}-\left(-4\frac{5}{9}\right)$  

•  $6\frac{23}{36}$  

•  $-6\frac{6}{21}$  

•  $2\frac{17}{36}$  

•  $-2\frac{1}{2}$  

• None of the above

Tags

CCSS.7.NS.A.3

 $-5\frac{1}{3}-2\frac{5}{6}$  

•  $-8\frac{1}{6}$ 

•  $-3\frac{3}{6}$ 

•  $-7\frac{3}{6}$  

•  $3\frac{1}{2}$  

•  $-8$  

Tags

CCSS.7.NS.A.1C

 $-9\frac{1}{6}-\left(-2\frac{1}{6}\right)+\left(-1\frac{5}{6}\right)$ 

•  $-9\frac{5}{6}$  

•  $-8\frac{5}{6}$  

•  $9\frac{5}{6}$  

•  $13\frac{1}{6}$  

•  $-13\frac{1}{6}$  

Tags

CCSS.7.NS.A.1D

 $3\frac{1}{3}\ -\ 5$ 

•  $-2\frac{2}{3}$  

•  $2\frac{2}{3}$  

•  $1\frac{2}{3}$  

•  $-1\frac{2}{3}$  

•  $8\frac{1}{3}$  

Tags

CCSS.7.NS.A.1C

• A

• B

• C

Tags

CCSS.7.NS.A.1B

• A

• B

• C

• D

Tags

CCSS.7.NS.A.1B